diff --git a/dimensionhub/Core/API.swift b/dimensionhub/Core/API.swift
index bb4b7c2..471cfaa 100644
--- a/dimensionhub/Core/API.swift
+++ b/dimensionhub/Core/API.swift
@@ -5,6 +5,7 @@
 //  Created by 安礼成 on 2025/2/19.
 //
 import Foundation
+import SwiftUI
 
 struct API {
     
@@ -44,9 +45,14 @@ struct API {
         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
         
         // Convert parameters to JSON data
-        let parameters: [String:String] = [
+        let parameters: [String:Any] = [
             "user_id": userId,
-            "token": token
+            "token": token,
+            "info": [
+                "version": await UIDevice.current.systemVersion,
+                "lang": NSLocale.preferredLanguages.first ?? "",
+                "vendorId": await UIDevice.current.identifierForVendor?.uuidString ?? ""
+            ]
         ]
         let jsonData = try! JSONSerialization.data(withJSONObject: parameters, options: [])
         request.httpBody = jsonData
diff --git a/dimensionhub/Views/Index/IndexModel.swift b/dimensionhub/Views/Index/IndexModel.swift
index 17b14c8..b9be770 100644
--- a/dimensionhub/Views/Index/IndexModel.swift
+++ b/dimensionhub/Views/Index/IndexModel.swift
@@ -65,9 +65,6 @@ final class IndexModel {
     // 转换后的数据, 方便在一次循环中展示数据
     var dramaGroupElements: [GroupElement] = []
     
-    // 判断GroupLabel的显示方式
-    var showFloatGroupLabel: Bool = false
-    
     var follow_num: String = "0"
     
     // 用来显示固定栏目的group_name
@@ -130,7 +127,7 @@ final class IndexModel {
     func offsetChanged(offset: Double) {
         // 判断当前的offset在那个视图所在的区间
         var rangeGroupId: String? = nil
-        let (spacing, labelHeight, elementHeight) = self.elementHeight
+        let (_, labelHeight, elementHeight) = self.elementHeight
         
         self.dramaGroupElements.forEach { element in
             switch element {
@@ -166,9 +163,9 @@ final class IndexModel {
             
             await MainActor.run {
                 self.updateDramaGroups = result.update_dramas
-                self.dramaGroupElements = transformUpdateDramaGroups(groups: result.update_dramas)
-                
                 self.fixedDramaGroup = result.update_dramas.first
+                
+                self.dramaGroupElements = transformUpdateDramaGroups(groups: result.update_dramas)
                 self.follow_num = result.follow_num >= 100 ? "99+" : "\(result.follow_num)"
             }
         }
@@ -217,6 +214,8 @@ final class IndexModel {
                         displayDramaGroups(self.updateDramaGroups, label: "before")
                         await MainActor.run {
                             self.updateDramaGroups = preappendMergeDramaGroups(groups: self.updateDramaGroups, mergeGroups: groups)
+                            self.fixedDramaGroup = self.updateDramaGroups.first
+                            
                             self.dramaGroupElements = transformUpdateDramaGroups(groups: self.updateDramaGroups)
                         }
                         displayDramaGroups(self.updateDramaGroups, label: "after")
@@ -235,6 +234,8 @@ final class IndexModel {
                         displayDramaGroups(self.updateDramaGroups, label: "before")
                         await MainActor.run {
                             self.updateDramaGroups = appendMergeDramaGroups(groups: self.updateDramaGroups, mergeGroups: groups)
+                            self.fixedDramaGroup = self.updateDramaGroups.first
+                            
                             self.dramaGroupElements = transformUpdateDramaGroups(groups: self.updateDramaGroups)
                         }
                         
diff --git a/dimensionhub/dimensionhubApp.swift b/dimensionhub/dimensionhubApp.swift
index 936db38..432a2c9 100644
--- a/dimensionhub/dimensionhubApp.swift
+++ b/dimensionhub/dimensionhubApp.swift
@@ -44,7 +44,6 @@ struct dimensionhubApp: App {
         WindowGroup {
             NavigationStack(path: $appNav.path) {
                 IndexView()
-                //TestView()
                     .navigationDestination(for: AppNavigation.Destination.self) { dest in
                         switch dest {
                         case .detail(id: let id):
@@ -59,6 +58,7 @@ struct dimensionhubApp: App {
             .navigationViewStyle(.stack)
             .tint(.black)
             .environmentObject(appNav)
+            .preferredColorScheme(.light)
         }
         .modelContainer(sharedModelContainer)
     }